mancala/docs/specs/game-clock/tasks.md
Halit Aksoy 3d4f5d7d59 feat(backend): end games on time with a scheduled service
GameClockScheduler checks every live game once a second and ends those whose running clock has reached zero, whether or not anyone is connected. The clock replaces the offline turn timeout and the inactivity rule, so both are removed with the offline times they used.
2026-10-16 01:29:22 +03:00

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# Game clock: tasks
Work through the tasks in order; each ends with its tests passing and a commit. Tick a task when it is committed.
- [x] 1. **Core types and helpers**: `GameClock`, `CLOCK_LOW_TIME_MS`, the new optional fields on `Game`,
`GameEndMessage`, `MoveRecord` and `FinishedGameSummary`; `getClockTimes`, `ClockSync`, `getClockAtMove`,
`formatClock` with unit tests; English timeout texts.
- [x] 2. **Clock in the game lifecycle**: `GameClock.ts`, `GAME_CLOCK_MS`, `clock` and `moveRemainingMs` on
`BackendGame`, start, charging moves, refusing late moves, stopping the clock on every ending, `clock` and
`serverTime` in client messages; unit tests.
- [x] 3. **Scheduled service**: `endGamesOutOfTime`, `GameClockScheduler` wired in `index.ts`; remove
`checkTimeouts`, the 10-second timer and the backend's `offlineSince`; unit tests.
- [ ] 4. **Restore and saving**: snapshot version 2 and restore of versions 1 and 2, `remainingMs` and
`clockInitialMs` in game records, migration `002_clock` and the repository; unit and integration tests.
- [ ] 5. **Web app, live game**: `useGameClock`, `GameClockView`, clocks in `GamePage` on desktop and mobile
layouts; remove the offline countdown, and with it `TURN_TIMEOUT_MS`, `INACTIVE_TIMEOUT_MS`,
`UserConnectionInfo.offlineSince` and `OpponentOfflineCountdown` from core (the web app uses them until then).
- [ ] 6. **Web app, replay**: clocks in `ReplayView` from `getClockAtMove`.
- [ ] 7. **Mobile app**: clocks in `GameScreen`; type check and bundle.
- [ ] 8. **End to end and docs**: Chrome tests from `design.md`; README, `AGENTS.md` and `TODO.md` (release the mobile
update before or with the backend; the out of scope items); mark `game-history` R3.3 and R3.4 as replaced.